Do you want to set an personal avatar, that's a picture on the right of your posts?

These are the steps to perform:

1 - Go to the Board Index.

2 - Go to the User Control Panel (UCP) by clicking on the link.

3 - You will get a page with on the left hand side a vertical menu with several 'tabs', "Overview" will be opened when you log in to your UCP, but the second tab is called "Profile", click on it. It will open then you have to click on "Edit Avatar", click on it.